At your machine open two browsers, Chrome and Firefox, or Internet Explorer or Safari.

On one, login as your agent identity.
> Contacts
> Add Contact
When you want to add a contact do so from this browser, that way the contact is ‘assigned’ to you. At the bottom of the add contact page you’ll see the area for username and password. Typically we use the contacts email address for username and a simple password based on their name, like first505 or last505.
>Save this contact

Go to the other browser you’ve got open and login as them.
>Search for properties
>Save searches or favorites as you like
This visitor now has a login account on the website and is assigned to you. Well done.